Australia's Shane Warne is targeting the World Cup for a return to cricket after surgery on his dislocated right shoulder.

An arthroscopy revealed that the leg-spinner damaged ligaments and cartilage, but he suffered no serious structural damage in a fielding accident during Sunday's 89-run win over England.

"All I know is I'm going to give it my best shot to try and get it right as quick as I can," Warne said.

"Hopefully that'll give me enough time for the World Cup. If it's not then so be it."

If I am not 100%, that won't do anyone any good Shane Warne

Warne has been ruled out of the rest of the Ashes series, but Australia have already clinched the urn after winning the first three Tests.

He will be buoyed by a rules clarification from the International Cricket Council, issued on Monday.

Teams will be able to replace injured players during the World Cup, even if the problem pre-dates the start of the tournament on 9 February.

"I've been on a fitness campaign the last 12 months and been as fit as I've ever been, and bowling probably better than I ever have," Warne went on.

"After all the injuries that I've had - the shoulder, the finger - it's pretty disappointing to have what happened to me the other night.

"But I think I've shown a fair bit of courage, and that's something I'll have to face now."

Warne had a reconstruction on the same shoulder in 1998 but, after a lay-off of several months, forced his way back into the Australian line-up during the World Cup-winning campaign in 1999.

But he said he would not rush back into the game if there was a risk of long-term damage.

"If I come back too soon and I am not 100%, that won't do anyone any good."

"If I have learnt anything from my past injuries, it is to not come back too early. I am going to make sure I am right."